Following the disappearance of a submarine expedition in the Arctic Ocean, a new expedition sets out on a mission to find a renewable source of energy. Show more

The crew on the Orpheus submarine runs into danger. They have to escape, but can they risk boarding the mysterious vessel which looms above them? Show more

Drama. The crew are trapped on Volos and its reactor is overheating. Whoever shuts it down will be exposed to lethal radiation. Who will draw the short straw? Show more

Drama. Frances wants her crew to find more bio-fuel samples, but the Russian captain has something more deadly in mind for the Orpheus team. Show more

Drama about the crew of a research sub who encounter disaster in the Arctic. Will the crew manage to stabilise the energy source and make it back to the surface? Show more